      1   1 Identifier count
      1   7 Op_assign
      1   9 Integer 1 
      1  10 Semicolon
      2   1 Keyword_while
      2   7 LeftParen
      2   8 Identifier count
      2  14 Op_less
      2  16 Integer 10 
      2  18 RightParen
      2  20 LeftBrace
      3   5 Keyword_print
      3  10 LeftParen
      3  11 String "count is: "
      3  23 Comma
      3  25 Identifier count
      3  30 Comma
      3  32 String "\n"
      3  36 RightParen
      3  37 Semicolon
      4   5 Identifier count
      4  11 Op_assign
      4  13 Identifier count
      4  19 Op_add
      4  21 Integer 1 
      4  22 Semicolon
      5   1 RightBrace
      6   1 End_of_input
